GitHub - atc1441/ATC_MiThermometer: Custom firmware for the Xiaomi Thermometer LYWSD03MMC and Telink Flasher via USB to Serial converter
Custom firmware for the Xiaomi Thermometer LYWSD03MMC and Telink Flasher via USB to Serial converter - GitHub - atc1441/ATC_MiThermometer: Custom firmware for the Xiaomi Thermometer LYWSD03MMC and Telink Flasher via USB to Serial converter
![](https://community-assets.home-assistant.io/original/4X/f/2/f/f2f7f658617d903b19d982b666730fd21c272f24.jpeg)
Changing sensor calibration doesn't have any effect - Zigbee - Home Assistant Community
![](https://user-images.githubusercontent.com/20048364/92448357-63da2400-f1b0-11ea-87dd-5eec6f11d63c.png)
Allow dumping original firmware via ATCtelink.py · Issue #14 · atc1441/ ATC_MiThermometer · GitHub
GitHub - atc1441/ATC_MiThermometer: Custom firmware for the Xiaomi Thermometer LYWSD03MMC and Telink Flasher via USB to Serial converter
Xiaomi has released new 2.1.1 firmware · Issue #298 · atc1441/ ATC_MiThermometer · GitHub
![](https://blog.dalanmiller.com/content/images/2021/06/Screen-Shot-2021-06-01-at-1.59.57-pm-1.png)
Using LYWSD03MMC with Home Assistant
![](https://smarthomescene.com/wp-content/uploads/2023/10/convert-xiaomi-lywsd03mmc-bluetooth-to-zigbee-added-to-zigbee2mqtt2-1024x768.jpg.webp)
Convert Xiaomi LYWSD03MMC BLE Sensor to Zigbee - SmartHomeScene
![](https://community-assets.home-assistant.io/original/4X/f/3/6/f3656926e92ba35404a9c02be4a8c2446541cbc3.png)
Passive BLE Monitor integration - #240 by Ernst - Custom Integrations - Home Assistant Community
Custom firmware found · Issue #175 · atc1441/ATC_MiThermometer · GitHub
![](https://community-assets.home-assistant.io/optimized/4X/7/9/0/79076c666613c7a1a73fc2e8db4af49f0ff69d37_2_500x500.jpeg)
Xiaomi Mi BLE Temp sensor not registering on HA - Configuration - Home Assistant Community